MCQ
$-122^{\circ} C$ in Fahrenheit scale is
- A$237.6^{\circ} F$
- B$-317.6^{\circ} F$
- C$317.6^{\circ} F$
- ✓$-187.6^{\circ} F$
✓
Answer
Correct option: D.
$-187.6^{\circ} F$
(d) $-187.6^{\circ} F$
Explanation: Substituting the given value for ${ }^{\circ} C =(-122)$ in the following expression,
$
\begin{aligned}
& { }^{\circ} F=\left[1.8\left({ }^{\circ} C\right)+32\right] \\
& =[1.8 \times(-122)+32] \\
& =[(-219.6)+32] \\
& =-187.6
\end{aligned}
$
So,$-122^{\circ} C$ in Fahrenheit scale is $-187.6^{\circ} F$
Explanation: Substituting the given value for ${ }^{\circ} C =(-122)$ in the following expression,
$
\begin{aligned}
& { }^{\circ} F=\left[1.8\left({ }^{\circ} C\right)+32\right] \\
& =[1.8 \times(-122)+32] \\
& =[(-219.6)+32] \\
& =-187.6
\end{aligned}
$
So,$-122^{\circ} C$ in Fahrenheit scale is $-187.6^{\circ} F$
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